帖子管理优化

platform-admin/src/main/java/com/platform/controller/PostController.java

@@ -116,9 +116,16 @@ public class PostController {
     @ResponseBody
     public R placedPostTop(@PathVariable("id") String id) {
 
-        postService.placedPostTop(id);
-
+        int res = postService.placedPostTop(id);
+        if (res > 0) {
             return R.ok();
+        } else if (res == 0) {
+            return R.error("置顶数量最多4个");
+        } else if (res == -1) {
+            return R.error("改帖子已下线或删除");
+        }
+
+        return R.error("操作失败");
     }
 
 

platform-admin/src/main/java/com/platform/dao/PostDao.java

@@ -11,7 +11,9 @@ import org.apache.ibatis.annotations.Param;
  */
 public interface PostDao extends BaseDao<PostEntity> {
 
-    int changePostStatus(@Param("archived")Integer archived,@Param("ids") String ids[]);
+    int changePostStatus(@Param("archived") Integer archived, @Param("ids") String ids[]);
 
     int placedTop(Integer id, Integer isTop);
+
+    int getPostTopNum();
 }

platform-admin/src/main/java/com/platform/service/impl/PostServiceImpl.java

@@ -132,6 +132,18 @@ public class PostServiceImpl implements PostService {
      */
     @Override
     public int changeStatus(Integer archived, String[] ids) {
+        System.err.println("======>>>>>" + archived);
+        //下线帖子
+        if ("2".equals(archived.toString())) {
+            for (int i = 0; i < ids.length; i++) {
+                PostEntity post = postDao.queryObject(ids[i]);
+                Integer isTop = post.getIsTop();
+                if ("1".equals(isTop.toString())) {
+                    post.setIsTop(0);//取消置顶
+                    postDao.update(post);
+                }
+            }
+        }
         return postDao.changePostStatus(archived, ids);
     }
 
@@ -144,10 +156,22 @@ public class PostServiceImpl implements PostService {
      */
     @Override
     public int placedPostTop(String id) {
+        int res = 0;
         //根据ID查询帖子信息
         PostEntity post = postDao.queryObject(id);
-        Integer isTop = post.getIsTop();
+        Integer isTop = post.getIsTop();//置顶标志
+        Integer archived = post.getArchived();//状态
+        //最多置顶4个帖子
+        if (postDao.getPostTopNum() >= 4 && "0".equals(isTop.toString())) {
+            return res;
+        }
+        if ("1".equals(archived.toString())) {
             post.setIsTop(isTop == 0 ? 1 : 0);
-        return postDao.update(post);
+            res = postDao.update(post);
+        } else {
+            res = -1;
+        }
+
+        return res;
     }
 }

platform-admin/src/main/resources/com/platform/dao/PostDao.xml

@@ -174,4 +174,9 @@
             #{id}
         </foreach>
     </update>
+
+    <!--统计置顶帖子数量-->
+    <select id="getPostTopNum" resultType="int">
+        select count(1) from post where is_top=1 and archived=1
+    </select>
 </mapper>
\ No newline at end of file

platform-admin/src/main/webapp/js/sys/post.js

@@ -211,7 +211,7 @@ let vm = new Vue({
                 if (!vm.isShow) {
                     vm.post.archived = 2;
                 } else {
-                    vm.post.isShow = 1;
+                    vm.post.archived = 1;
                 }
                 let url = vm.post.id == null ? "../post/save" : "../post/update";
                 vm.post.picture = this.uploadList.map(res => res).join(',');